EP0434808B1 - Vaporisateur de liquides - Google Patents
Vaporisateur de liquides Download PDFInfo
- Publication number
- EP0434808B1 EP0434808B1 EP90910631A EP90910631A EP0434808B1 EP 0434808 B1 EP0434808 B1 EP 0434808B1 EP 90910631 A EP90910631 A EP 90910631A EP 90910631 A EP90910631 A EP 90910631A EP 0434808 B1 EP0434808 B1 EP 0434808B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- container
- valve
- master cylinder
- nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005507 spraying Methods 0.000 title claims abstract description 40
- 239000007788 liquid Substances 0.000 title claims description 71
- 238000000034 method Methods 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims description 48
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 230000001174 ascending effect Effects 0.000 claims 4
- 239000012530 fluid Substances 0.000 abstract 6
- 239000007921 spray Substances 0.000 description 15
- 238000011161 development Methods 0.000 description 8
- 230000018109 developmental process Effects 0.000 description 8
- 238000004806 packaging method and process Methods 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000003380 propellant Substances 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002663 nebulization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
- B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
- B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
- B05B7/2416—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle characterised by the means for producing or supplying the atomising fluid, e.g. air hoses, air pumps, gas containers, compressors, fans, ventilators, their drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
- B05B7/0433—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of gas surrounded by an external conduit of liquid upstream the mixing chamber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
- B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
- B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
- B05B7/2424—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle the carried liquid and the main stream of atomising fluid being brought together downstream of the container before discharge
- B05B7/2427—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle the carried liquid and the main stream of atomising fluid being brought together downstream of the container before discharge and a secondary stream of atomising fluid being brought together in the container or putting the carried liquid under pressure in the container
Definitions
- the invention relates to a device for spraying liquids with an air pump which can be driven electrically via a switch, a container for the liquid to be sprayed and a nozzle whose air inlet opening is connected to the air pump via a compressed air duct.
- a known device for spraying liquids with an air pump and a nozzle according to EP-A-0000117 is advantageously characterized in that no propellant gas is required.
- it also has disadvantages compared to spray cans with propellant gas, which, for example, consist in the fact that at the beginning of a spraying process, the pressure required for a fine spraying of the liquid must first be built up by starting up the air pump. The liquid, which is not finely atomized at first, interferes with this.
- the main disadvantage is that it is not leak-proof, no short consecutive sprays are possible, and that malfunctions (poor spraying, etc.) can result from the drying out of a residual liquid within the nozzle.
- the object of the invention is to provide a generic device that does not have the disadvantages mentioned above.
- the measures according to the invention ensure that liquid is only passed through the tangential channels of the nozzle when the air flow velocity is sufficiently high. Furthermore, the liquid supply takes place during the entire spraying process with a substantially constant pressure. This occurs Immediately after actuation, apply a fine nebulization that continues throughout the spraying process.
- the valve is designed as a multi-way valve such that, after the channel has been closed, a further channel between the compressed air channel and the liquid inlet channels of the nozzle is opened.
- a control piston is axially movable in a control cylinder, the diameter of which is larger than the diameter of the control piston, that the control piston is provided with two circumferential sealing rings, which the control cylinder in a first, in a second and divide into a third chamber, that the first and third chambers are connected to the compressed air duct, that the second chamber lying between the sealing rings is connected to the riser pipe via a duct in the control piston is connected that in the area of the first chamber in the outer surface of the control cylinder the air inlet duct of the nozzle is arranged and that furthermore a liquid inlet duct of the nozzle is arranged in the outer surface of the control cylinder such that the liquid inlet duct in the region of the second and when the valve is not operated when the valve is actuated is in the area of the third chamber.
- a control piston provided with a longitudinal bore is axially movable within a control cylinder and divides the control cylinder into a first and a second chamber by means of a sealing ring, that at least one opening in the wall on each side of the sealing ring the control piston is provided that at least one outlet opening is provided at the ends of the control cylinder, that a compression spring is arranged in the second chamber, which presses the control piston in the direction of the first chamber and thereby closes the first outlet opening with the sealing ring, which with the container is connected that the second outlet opening is connected to the air inlet channel of the nozzle and that a further valve connected to the control piston releases a liquid channel between a riser pipe and an annular channel of the nozzle when the control piston moves against the compression spring .
- a riser pipe and sealing lips are provided on a head part, which comprises the valve and the nozzle, which penetrate into the container when the head part is placed on the container. It is preferably provided that the container is closed with a film which is at least partially destroyed when the head part is put on. This makes it easy to use Disposable containers possible, with an exchange of an empty for a filled container can be carried out in a simple manner.
- the container has approximately the shape of a hollow cylinder, the annular cavity of which is provided for the liquid to be sprayed and in the interior of which space is provided for the air pump and an electric drive.
- An advantageous embodiment of this development provides that the air pump and an electric motor form a substantially cylindrical compressed air generator, whose diameter is adapted to the inside diameter of the container, and that the compressed air generator has a battery compartment in the lower area, that on the outside diameter of the container is adjusted. This will provide enough space for batteries with sufficient capacity. In addition, there is a low center of gravity and thus a good stability of the device. Both rechargeable and other batteries can be used in the device according to the invention. Contacts or an inductive transformer can be provided for charging.
- FIG. 1 shows the first embodiment in the rest position, while in Fig. 2 the spray position is shown.
- a hollow cylindrical storage container 1 encloses the compressed air generator 2, the housing 3 in the lower part one has a larger diameter, serves as a compartment for possibly rechargeable batteries 90 and is closed with a base plate 4.
- An air pump 5 and an electric motor 6 are provided in the middle part of the housing 3. The air pump 5 sucks in the air through an air filter 7 and discharges the compressed air via a nozzle 8 which projects into an intermediate piece 9 and is sealed with the aid of a seal 10.
- a Pneumatic adapter 11 is provided, which is connected to the adapter 9 with a flange.
- An O-ring 12 serves to seal between these two parts.
- the head part 13 has a compressed air channel 14, which has a connection part 15 for the pneumatic adapter 11 coaxially, which engages in the opening of the pneumatic adapter 11 provided for this purpose.
- a further O-ring 16 is provided for sealing, which is held by a bushing 17 in the pneumatic adapter 11.
- a bayonet lock indicated at 18 is provided.
- the head part 13 is fixed on the container 1 with the aid of a snap connection 19 and sealed with two circumferential sealing lips 20, 21.
- a riser pipe 22 located on the head part 13 projects into the container.
- the head part is provided with a large-area push button 23, which is integrally connected to a plunger 24 which is guided in a corresponding bore 25 in the head part 13.
- a pin 26 is provided as a stop limiter for the axial stroke, which engages in a groove 27 of the tappet 24.
- the tappet 24 is operatively connected to an annular contact surface 28 which slides on the pneumatic adapter 11 with a sleeve-shaped part 29.
- the axial path is fixed against the pressure of the spring 31 by a pin.
- the compression spring 31 mounted on the pneumatic adapter 11 presses the sleeve 29 and thus the contact surface 28 against the plunger 24, so that the unactuated key 23 is at the upper end of its actuation path.
- the electrical switch 33 is closed via an actuating arm 32 and an actuating element 33 ', so that the motor is connected via electrical lines (not shown) 6 supplied with power and thus the pump 5 is started up.
- the button 23 actuates a control piston 34 which is arranged in an axially movable manner in a control cylinder 35 of the head part 13.
- the control piston 34 is provided in the upper region with a guide sleeve 36 which is guided in the head part 13.
- a securing ring 37 is provided to secure the guide part 36 on the control piston 34.
- the guide part 36 has a flange which serves to absorb the force of a compression spring 38 and is formed on the circumference as a sealing lip 39.
- the control piston is provided with two sealing rings 40, 41, which form an annular channel 144 connected to the liquid channel 44, which sealingly abut the outer surface of the control cylinder 35.
- the lower part of the control piston 34 is plate-shaped and has a seal 42 which, in the upper position of the control piston 34, presses against a circumferential sealing edge 43. Furthermore, the riser pipe 22 is arranged at the lower end of the control piston, the bore of which continues in a liquid channel 44 of the control piston 34 which, apart from an axial part, consists of at least one transverse bore 45 which is arranged between the sealing rings 40, 41.
- a nozzle 46 which is known per se and which has an air inlet duct 47 and a liquid inlet duct 48, from which tangential ducts 49 extend in a manner known per se.
- a first opening 140 is provided in the control cylinder 35 for connection to the air inlet duct 47 of the nozzle 46, a second opening 141 for connection to the liquid inlet duct 48 of the nozzle 46 and a third opening 142 for connecting the compressed air duct 14, which corresponds to the first opening 140 , wherein the annular channel 144 is connected to the second opening 141 during the spraying process.
- the air space 143 to the compressed air channel 14 is closed by a valve 42, 43 of the valve device 34, 35, 36, 40 to 45, 47, 48, 140, 141, 142, 144.
- Fig. 1 the control piston 34 is shown in the rest position, while in Fig. 2 it is in the working position.
- the seal 42 together with the circumferential sealing edge 43, seals the container from the compressed air channel 14. On the one hand, this prevents liquid 50 from penetrating into the Compressed air generator 2 prevented even when the device was lying down.
- excess pressure remains in container 1, so that pressure is already present in container 1 for the following spraying process.
- the upper sealing ring 40 is also below the compressed air channel and the opening for the nozzle and the lower sealing ring 41 above the opening for the liquid inlet opening 48 of the nozzle 46.
- the liquid channel 44 is thus also sealed.
- the motor 6 is first switched on, whereupon pressure builds up in the compressed air channel 14 and an air flow already flows through the nozzle 46 when the connection between the compressed air channel 14 and the container is caused by the downward movement of the control piston 34 1 on the one hand and the connection between the riser pipe 22 and the liquid inlet opening 48 of the nozzle 46 is released. This ensures that a sufficiently fine atomization of the liquid takes place immediately after the liquid has been fed to the nozzle.
- the liquid channel 44 and the connection between the compressed air channel 14 and the interior of the container 1 are closed.
- compressed air is still blown through the nozzle 46, but no new liquid is supplied.
- the compressed air flows from the compressed air duct 14 on the one hand through the air inlet duct 47 and on the other hand through the control cylinder 35, the liquid inlet duct 48 and the tangential ducts 49.
- liquid residues are blown out of the nozzle so that it remains free of dried-up residues of the liquid.
- the engine 6 is switched off.
- the control piston 51 has a cavity which runs axially as a compressed air channel 52 and in which compressed air is supplied from the compressed air generator in a manner not shown in detail.
- the control piston 51 is shown on the left in the spray position and on the right in the rest position.
- the control piston 51 has a sealing ring 53 which slides on the inner surface of a control cylinder 54 with a sealing lip 55.
- a circumferential sealing edge 56 is provided on the sealing ring, which sits in the upper position of the control piston 51 on the upper end surface 57 of the cylindrical cavity 54 and thus blocks a third opening 58 as a valve 56, 57.
- a plurality of openings 59, 60 are provided in the wall of the control piston 51.
- a compression spring 61 pushes the control piston upwards.
- the head part 62 shown in FIG. 3 serves at 63 the control piston 51 as a lower guide, while in the upper region of the control piston 51 a guide is provided in a guide part 64 which is inserted into the head part 62.
- the lower part 65 of the control piston passes through an annular seal 66, the diameter of which is so large that the lower part 65 of the control piston is sealed off from the riser pipe 22.
- a section 67 of the control piston provided above the lower part 65 has a smaller diameter than the opening in the ring seal 66, so that the liquid channel 68 is opened in the lower position of the control piston 51.
- An annular sealing lip 69 is used to seal against a container, not shown.
- the compressed air generator is first switched on to initiate a spraying process, as a result of which the compressed air flows through the compressed air channel 52 of the control piston 51, through the openings 59, 60 in the control piston 51, through the control cylinder 54 and through a first outlet opening 70 flows to the air inlet duct 71 of the nozzle 46.
- the subsequent movement of the control piston 51 downward opens the third outlet opening 58, so that the compressed air reaches the container through an air duct 72.
- liquid rises through the riser pipe 22 and through the liquid channel 68, which is meanwhile sealed by the control piston 51 with respect to the air inlet channel 71 of the nozzle 46 and is released for the liquid.
- the latter has been done in that the ring seal 66 now faces the section 67 with the smaller diameter.
- the liquid then enters the liquid inlet channel 73 via a second opening 150 and is sprayed with compressed air by means of the nozzle 46.
- control piston 51 is relieved of the actuating force, so that it is moved upwards by the action of the compression spring 61.
- the liquid channel 68 is closed with the aid of the lower section 65 and the ring seal 66. Then the control piston 51 releases the connection between the air inlet channel 71 and the liquid inlet channel 73 of the nozzle 46, so that the entire nozzle including the liquid inlet channel 73 is blown free.
- Actuation cap 81 is detachably connected to the head part 83.
- the air guide chamber 82 is closed by a welded-in cover 84.
- a switch 87 is closed via an air guide tube 85 and a motor / pump arrangement 86.
- the motor / pump arrangement 86 is mounted so that it can move axially within a cylindrical housing 88 and is preloaded via a spring 89.
- the direction of movement of the motor / pump arrangement 86 is indicated by a double arrow.
- a rechargeable battery 90 is arranged in the expanded lower part of the housing 88.
- a check valve 91 at the upper end of the air guide tube 85 serves to close the air guide tube 85 when no pressure is exerted on the actuating cap 81. This prevents liquid from penetrating into the pump when the actuating cap 81 is removed and the head part 83 is removed when refilling.
- a sealing ring 92 is arranged between the welded-in cover 84 and the air guide tube 85, while the opening of the cover 84, through which a cylindrical extension 93 of the head part 83 passes, is movably sealed by a sealing lip 94.
- the control piston 95 in the embodiment shown in FIGS. 4 and 5 is designed in a similar manner to the control piston 34 of the first embodiment and is movable in the control cylinder 103. However, it is provided in one piece with a receiving part 96 for the compression spring 97. Since the diameter of the receiving part 96 is larger than the diameter of the control cylinder 103, the control piston 95 is suitably divided in two in order to enable assembly.
- An axially parallel bore 98 in the head part 83 serves as a compressed air channel to the air space of the reservoir 99 or to the lower part of the control cylinder 103, while a second axially parallel bore 100 establishes the connection to the air inlet channel 47 of the nozzle 46.
- the actuating cap 81 In the idle state, the actuating cap 81 is in the position indicated by a dash-dotted line 101. Correspondingly, the sealing rings 40, 41 of the control piston 95 are located above the liquid inlet opening 48 of the nozzle 46. In addition, the seal 42 is pressed by the compression spring 97 against the circumferential sealing edge 43. The container 99 is thus completely closed.
- the actuating cap 81 is moved in the direction of the position shown by a corresponding axial pressure.
- the switch 87 is initially closed, so that the motor / pump arrangement 86 is put into operation.
- the air pressure required for spraying is formed in the cavities formed by the air guide tube 85, the air guide chamber 82 and the compressed air channels in the head part 83.
- the connection between the compressed air channel 98 and the air space of the container 99 is released, so that a corresponding pressure is exerted on the surface of the liquid if a corresponding pressure should not still be present from the previous spraying process .
- the connection between the liquid channel 44 and the liquid inlet channel 48 of the nozzle 46 is established. The liquid that rises is then sprayed from the already existing air flow.
- the axial pressure is released from the actuating cap 81, whereupon the liquid channel 44 is closed by the upwardly sliding sealing rings 40, 41.
- the connection between the compressed air channel 98 and the air space of the container 99 is interrupted by the seal 42 and the connection between the compressed air channel 98 and the liquid inlet channel 48 is released via the lower part of the control cylinder 103.
- the switch 87 is opened and the motor / pump arrangement 86 is stopped.
- the exemplary embodiment according to FIGS. 4 and 5 has the advantage that the head part is relatively easy to manufacture in terms of tooling by essentially only axially running bores.
- the air guide tubes 85 which are slim in relation to the motor / pump arrangement 86, allow the container 99 to be expanded inwards in the upper region, so that a larger filling volume is available.
- the container 99 can be designed as a disposable container or for refilling in individual cases.
- the connection between the container 99 or 1 (FIGS. 1 and 2) and the head part 83 or 13, as shown in the figures, can be designed as a snap lock or detachably as a thread or bayonet lock.
- a packaging unit consisting of the container 99 and the head part 83 is sealed without additional transport protection. Because the actuating surface 102 of the valve lies lower than the edge of the extension 93 of the head part 83, an undesired actuation is practical locked out. Compared to a refill container, which is provided with a detachable connection to the head part 83, such a packaging unit is more complex, but has the advantage that no liquid can escape when the empty packaging unit is replaced by a new one.
- the head part 83 While in the design as a refill container the head part 83 is removed from it and, for example, liquid residues can drip from the riser pipe 22, the replacement of a packaging unit consisting of the head part and the container takes place as follows: First the actuating cap 81 is removed and the emptied packaging unit is removed. The new packaging unit is then slipped over the air guide tube 85 and the housing 88 and locked by rotation. Finally, the actuating cap 81 is replaced.
- FIG. 6 shows a sectional view of an assembly 122 in which the control cylinder 13 ', the nozzle 46, the compression spring 38' and the control piston 34 'with the seals are designed as an assembly 122.
- the nozzle 46 is arranged laterally on the control cylinder 13 ′ or on the outer cylinder 133 of the assembly 122, as a result of which a very small assembly 122 can be realized.
- the sealing lip ring 39 'and the sealing rings 40', 41 ' are designed as a one-piece sleeve 120 and consist of softer plastic than the control piston 34' connected to the sleeve 121.
- the sleeve 121 connected to the control piston 34 ' is formed in one piece as a sealing seat 43' and as a guide and sealing ring 124, the sealing seat (valve seat) 43 'corresponding to the seal (valve plate) 42' in such a way that when the control piston 34 'is depressed the seal 42 'lifts off the sealing seat 43'.
- the sleeves 120, 121 are advantageously connected in a latching manner to the control piston 34 '.
- the assembly 122 can be manufactured inexpensively and can easily be exchanged for a defective assembly 122. For the rest, reference is made to the functional description of the exemplary embodiment according to FIG. 2.
- FIG. 7 A fourth exemplary embodiment of a device is shown in FIG. 7, the push button 23 'being provided with a compressed air channel 14' which, when the button 23 'is placed on the device, connects the compressed air connection 8' to the upper end of the control piston 34 '.
- the push button 23 ' is integrated in a cap 125.
- the storage container 1 ' is here provided at the upper end with an end plate 126 and is provided with an asymmetrical threaded neck 126 which receives the assembly 122 on the inside.
- the filled storage container 1 ' can be stored separately with a closure cap, not shown.
- FIG. 8 shows a basic block diagram for a delayed shutdown of the motor 6.
- the switch-off delay 123 is controlled by the switch 33, which controls a circuit breaker 127 to control the motor 6. After a predetermined switch-off delay time has expired, the motor 6 is switched off by the circuit breaker 127. This running of the motor 6 ensures that the nozzle is blown sufficiently and does not depend on the individual handling of the actuation button 14 '.
- a circuit diagram of a switch-off delay 123 is shown in FIG. 9.
- a Mosfet is provided as the circuit breaker 127, for example the type BUK 55350 A.
- the diodes 128, 129 and 130 serve to protect the Mosfet against voltage peaks from the motor 6.
- a capacitor 131 and a resistor 132 are provided as the time-determining element.
- the switch-off delay works in such a way that when the switch 33 is switched on, the circuit breaker 127 immediately becomes conductive and thus switches on the motor 6 and, when the switch 33 is switched off, switches off the circuit breaker 127 and thus the motor 6 with a delay via the timer 131, 132.
Landscapes
- Nozzles (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Catching Or Destruction (AREA)
Claims (33)
- Appareil de pulvérisation de liquides (50)- avec un récipient (1, 99) pour le liquide (50) à pulvériser, et- une pompe à air (86) pouvant être entraînée électriquement par l'intermédiaire d'un interrupteur (33, 87),- la pompe à air (86) étant reliée, par un canal d'air sous pression (14) et un dispositif à soupape (34, 35, 36, 40 à 45, 47, 48, 140, 141, 142, 144), à un canal d'entrée d'air (47) d'une buse (46) et à une enceinte d'air (143) du récipient (1, 99), et- un canal d'entrée de liquide (48) relié à la buse (46) par l'intermédiaire du dispositif à soupape (34, 35, 36, 40 à 45, 47, 48, 140, 141, 142, 144) avec un canal à liquide (44), et où- le dispositif à soupape (34, 35, 36, 40 à 45, 47, 48, 140, 141, 142, 144) est couplé à l'interrupteur (33, 87) de manière que, pour introduire un processus de pulvérisation, on commence par fermer l'interrupteur (33, 87) puis l'on alimente le canal d'entrée d'air (147) et l'enceinte à air (143) en air sous pression, où- pour achever le processus de pulvérisation, on commence par stopper l'amenée d'air sous pression au canal d'entrée d'air (47), puis l'on ouvre l'interrupteur (33, 87),
caractérisé- en ce que le dispositif à soupape (34, 35, 36, 40 à 45, 47, 48, 140, 141, 142, 144) présente un cylindre de commande (35) et un piston de commande (34) déplaçable axialement dans le cylindre de commande (35),- en ce que le piston de commande (34) est pourvu de deux bagues d'étanchéité (40, 41) disposées l'une au-dessus de l'autre, constituant un canal annulaire (144) relié au canal à liquide (44), et en ce que- une première ouverture (140) est prévue dans le cylindre de commande (35), pour assurer la liaison au canal d'entrée d'air (47) de la buse (46),- une deuxième ouverture (141) est prévue pour assurer la liaison avec le canal d'entrée d'air (48) de la buse (46), et- une troisième ouverture (142) correspondant à la première ouverture (140) est prévue pour assurer la liaison du canal d'air sous pression (14) avec l'enceinte à air (143) du récipient, où- le canal annulaire (144) est relié à la deuxième ouverture (141) pendant le processus de pulvérisation, et- en ce que, après achèvement du processus de pulvérisation l'enceinte à air (143) est fermée en direction du canal à air sous pression (14), au moyen d'une soupape (42, 43) du dispositif à soupape (34, 35, 36, 40 à 45, 47, 48, 140, 141, 142, 144). - Appareil selon la revendication 1, caractérisé en ce que le piston de commande (34) est disposé de façon à être mobile axialement dans le cylindre de commande (35) dont le diamètre est supérieur au diamètre du piston de commande (34), en ce que les bagues d'étanchéité (40, 41) à forme circulaire subdivisent le cylindre de commande (35) en une première, une deuxième et une troisième chambre, la première et la troisième chambre étant reliées au canal à air sous pression (14), en ce que la deuxième chambre située entre les bagues d'étanchéité (40, 41) est reliée, par un canal se trouvant dans le piston de commande (34), à un tube montant (22), en ce que le canal d'entrée d'air (47) de la buse (46) est disposé dans la zone de la première chambre, dans la surface d'enveloppe du cylindre de commande, et en ce que, en outre, dans la surface d'enveloppe du cylindre de commande (35) est disposé un canal d'entrée de liquide (48) de la buse (46), en ce que le canal d'entrée de liquide (48) débouche dans la zone de la deuxième chambre lorsque le dispositif à soupape est actionné et dans la zone de la troisième chambre lorsque le dispositif à soupape n'est pas actionné.
- Appareil selon la revendication 2, caractérisé en ce que la troisième chambre est dirigée vers le récipient (1) et que, lorsque le dispositif à soupape n'est pas actionné, à l'aide d'une bride d'étanchéité disposée sur le piston de commande (34) elle peut être obturée vis-à-vis du récipient (1).
- Appareil selon la revendication 3, caractérisé en ce que le piston de commande (34) est maintenu, dans une zone éloignée du récipient, dans une douille (36) qui est montée mobile axialement dans une zone agrandie du cylindre de commande (35), et en ce que la douille (36) présente dans la zone d'extrémité du piston de commande (34) une bride contre laquelle prend appui un ressort de pression (38).
- Appareil selon la revendication 4, caractérisé en ce que sur la périphérie de la bride est prévue une lèvre d'étanchéité (39) de pourtour qui isole de façon étanche le cylindre de commande et un espace creux annulaire prévu pour le ressort de pression (38), vis-à-vis de l'air extérieur.
- Appareil de pulvérisation de liquides (50)- avec un récipient (1, 99) pour le liquide (50) à pulvériser, et- une pompe à air (86) pouvant être entraînée électriquement par l'intermédiaire d'un interrupteur (33, 87),- la pompe à air (86) est reliée, par un canal d'air sous pression (52) et un dispositif à soupape (51 à 60, 63, 65 à 68, 70 à 73, 150), à un canal d'entrée d'air (71) d'une buse (46) et à une enceinte à air (143) du récipient (1, 99), et- un canal d'entrée de liquide (73) relié à la buse (46) est relié à un canal de liquide (68) par l'intermédiaire du dispositif à soupape (51 à 60, 63, 65 à 68, 70 à 73, 150), où- le dispositif à soupape (51 à 60, 63, 65 à 68, 70 à 73, 150) est couplé à l'interrupteur (33, 87) de manière que pour introduire un processus de pulvérisation il faut d'abord fermer l'interrupteur (33, 87) puis alimenter le canal d'entrée d'air (71) et l'enceinte à air (143) avec de l'air sous pression, et où- pour achever le processus de pulvérisation, il faut d'abord stopper l'alimentation en air sous pression au canal d'entrée d'air (71), puis ouvrir l'interrupteur (33, 87),
caractérisé en ce que- en ce que le dispositif à soupape (51 à 60, 63, 65 à 68, 70 à 73, 150) présente un cylindre de commande (54) et un piston de commande (51) mobile axialement dans le cylindre de commande (54),- en ce que le piston de commande (51) est pourvu d'une section (67) d'un diamètre inférieur au diamètre du cylindre de commande (54), à laquelle se raccorde une partie inférieure (65) d'un diamètre supérieur au diamètre de la section (67) et d'un diamètre inférieur au diamètre du cylindre de commande (54), où- le cylindre de commande (54) est pourvu d'un joint d'étanchéité annulaire (66) qui appuie de façon étanche en position de repos sur la partie inférieure (65), et- en ce qu'une première ouverture (70) est prévue dans le cylindre de commande (54), pour assurer la liaison avec le canal d'entrée d'air (71) de la buse (46),- une deuxième ouverture (150) est prévue pour assurer la liaison avec un canal d'entrée de liquide (73) de la buse (46), et- une troisième ouverture (58) est prévue pour assurer la liaison avec l'enceinte à air (143) du récipient (1, 99), et- en ce que, après achèvement du processus de pulvérisation, l'enceinte à air (143) est fermée en direction du canal à air sous pression (52) au moyen d'une soupape (56, 57) du dispositif à soupape (51 à 60, 63, 65 à 68, 70 à 73, 150). - Appareil selon la revendication 6, caractérisé en ce que le piston de commande (51) pourvu d'un perçage allongé est disposé mobile axialement à l'intérieur du cylindre de commande (54), et en ce que le cylindre de commande est subdivisé, au moyen d'une bague d'étanchéité, en une première et en une deuxième chambre, en ce que, des deux côtés de la bague d'étanchéité (53, 55), est prévue chaque fois au moins une ouverture (59, 60) dans la paroi du piston de commande (51), en ce qu'à chacune des deux extrémités du cylindre de commande (54) est prévue au moins une ouverture de sortie (58, 70), en ce que dans la deuxième chambre est disposé un ressort de pression (61) qui presse le piston de commande (51) en direction de la première chambre et obture, à l'aide de la bague d'étanchéité (53), la première ouverture de sortie (58) qui est reliée au récipient, en ce que la deuxième ouverture de sortie (70) est reliée au canal d'entrée d'air (71) de la buse (46), et en ce qu'une soupape supplémentaire (65, 66, 67) reliée au piston de commande (51) libère lors du mouvement du piston de commande (51) à l'encontre du ressort de pression (61) un canal de liquide (68), entre un tube montant (22) et le canal d'entrée de liquide (73) de la buse (46).
- Appareil selon la revendication 7, caractérisé en ce que la soupape supplémentaire est constituée par un piston, coaxial au piston de commande (51) et comportant deux sections (65, 67) de diamètre différent et passant à travers un joint d'étanchéité annulaire (66).
- Appareil selon la revendication 8, caractérisé en ce que la bague d'étanchéité (53) présente une lèvre d'étanchéité (55) pour assurer une isolation étanche avec l'enveloppe du cylindre de commande (54) et un tranchant-lèvre d'étanchéité (56) annulaire pour assurer l'étanchéité vis-à-vis de la face d'extrémité limitrophe à la première chambre du cylindre de commande (54).
- Appareil selon la revendication 2, caractérisé en ce que, sur la partie tête (13, 62, 83) qui entoure la soupape et la buse (46), sont prévus le tube montant et les lèvres d'étanchéité (21, 69) qui pénètrent dans le récipient (1, 99).
- Appareil selon la revendication 10, caractérisé en ce qu'une liaison désolidarisable est prévue entre la partie tête et le récipient.
- Appareil selon la revendication 11, caractérisé en ce que le récipient est fermé par une feuille qui est détruite au moins partiellement lors de l'application de la partie tête sur le récipient.
- Appareil selon la revendication 10, caractérisé en ce qu'une liaison non désolidarisable (obturation à déclic) (19) est prévue entre la partie de tête (13, 83) et le récipient (1, 99).
- Appareil selon la revendication 1, caractérisé en ce que le récipient (1) présente à peu près la forme d'un cylindre creux, dont l'espace creux annulaire est prévu pour le liquide à pulvériser et dans l'espace intérieur duquel est prévue de la place pour la pompe à air (5) et pour un entraînement électrique (6).
- Appareil selon la revendication 14, caractérisé en ce que la pompe à air (5) et un moteur électrique (6) constituent un générateur d'air sous pression (9) sensiblement cylindrique, adapté par son diamètre au diamètre intérieur du récipient (1), et en ce que le générateur d'air sous pression (2) présente dans la zone inférieure un compartiment à batterie (4) adapté au diamètre extérieur du récipient (1).
- Appareil selon la revendication 15, caractérisé en ce que, sur le générateur d'air sous pression, peut être enfichée une partie tête (13) qui est pourvue de la buse (46) d'une soupape (34, 45) d'un tube montant (22) et de deux lèvres d'étanchéité (20, 21) orientées concentriquement vers le bas et s'engageant avec effet d'étanchéité dans le récipient (1).
- Appareil selon l'une des revendications 14 à 16, caractérisé en ce qu'entre le récipient (1) et le générateur d'air sous pression (2) est prévue une liaison désolidarisable, de préférence une fermeture à baïonnette (18, 19).
- Appareil selon l'une des revendications 1 à 17, caractérisé en ce que dans le générateur d'air comprimé (2) est prévu un interrupteur électrique (33, 87) pouvant être actionné par l'intermédiaire d'un élément de manoeuvre (23) se trouvant sur la partie tête (13).
- Appareil selon la revendication 1, caractérisé en ce que la pompe à air (5) constitue conjointement avec un moteur (6) une batterie (90) et un interrupteur (33, 87), un générateur d'air sous pression (2) disposé dans un carter (3, 88) sensiblement cylindrique, en ce que la batterie est disposée dans la zone d'une surface de pose (4), en ce que sur l'extrémité opposée à la surface de pose (4) du générateur d'air sous pression est prévue une ouverture d'air sous pression, en ce qu'un récipient (1, 99) de forme cylindrique creuse entoure le générateur d'air sous pression (2) pour le liquide à pulvériser et en ce qu'une partie tête (13, 83) délimite le récipient (1, 99) vers le haut et contient des canaux et une soupape (34, 51, 95) pour l'air sous pression et le liquide à pulvériser.
- Appareil selon la revendication 19, caractérisé en ce que dans la zone de la partie tête (13, 83) est disposé un élément de manoeuvre (23, 81) placé en relation fonctionnelle tant avec la soupape (34, 51, 95) qu'également avec l'interrupteur.
- Appareil selon la revendication 20, caractérisé en ce que l'ouverture d'air comprimé est disposée à l'extrémité d'un tube de guidage d'air (85) et est reliée à une chambre de guidage d'air (82) ménagée dans l'élément d'actionnement (81), réalisé de préférence sous forme de capuchon, et en ce que la chambre de guidage d'air (82) est en outre reliée à des canaux (98, 100) ménagés à l'intérieur de la partie tête (83).
- Appareil selon l'une des revendications 19 à 21, caractérisé en ce que le tube de guidage d'air (85) est mobile axialement à l'encontre de la pression d'un ressort (89) et est en liaison fonctionnelle avec l'interrupteur (87), et en ce que l'élément d'actionnement (81) présente des moyens pour transmettre une pression exercée sur l'élément d'actionnement (81) au tube de guidage d'air (85) et à un piston de commande (95) prévu dans la soupape.
- Appareil selon la revendication 22, caractérisé en ce que la pompe à air et le moteur (6) sont mobiles axialement conjointement avec le tube de guidage d'air (85), et en ce que l'interrupteur (87) est disposé dans la zone entre le moteur (6) et la batterie (90) et peuvent être actionnés par le mouvement axial du moteur (6).
- Appareil selon la revendication 19, caractérisé en ce qu'une partie inférieure du générateur d'air sous pression (2) présente un diamètre supérieur à celui de la partie restante et adapté au diamètre extérieur du récipient (1, 99), et en ce que la batterie (90) est disposée dans la partie du générateur d'air sous pression (2) qui présente le plus grand diamètre.
- Appareil selon la revendication 24, caractérisé en ce que la partie du carter (88) du générateur d'air sous pression ayant un plus petit diamètre est située à un niveau inférieur à celui du récipient et en ce que la paroi intérieure du récipient (99) est recourbée vers l'intérieur au-dessus du carter (88) du générateur d'air sous pression (86).
- Appareil selon la revendication 19, caractérisé en ce qu'une soupape (91) sollicitée par un ressort est prévue dans l'ouverture d'air sous pression du tube de guidage d'air (85) et relié fonctionnellement à une tige prévue sur l'élément d'actionnement (81).
- Appareil selon l'une des revendications 19 à 26, caractérisé en ce que la partie tête (83) présente une ouverture axiale pour le tube de guidage d'air (85), des canaux d'air sous pression (98, 100) parallèles à l'axe et un cylindre de commande (103) également parallèle à l'axe.
- Appareil selon au moins l'une des revendications précédentes, caractérisé en ce que les bagues d'étanchéité (39', 40', 41', 53) sont réalisées sous forme de douille (121) monopièce et constituées d'une matière synthétique plus souple que celle du piston de commande (34') relié à la douille (120).
- Appareil selon au moins l'une des revendications précédentes, caractérisé en ce que le siège d'étanchéité (43') est réalisé sous forme de douille (121) monopièce et est constitué d'une matière plastique plus souple que celle du piston de commande (34') relié à la douille (121).
- Appareil selon au moins l'une des revendications précédentes, caractérisé en ce que la partie tête (cylindre de commande) (13'), la buse (46), le ressort de pression (38') et le piston de commande (34') avec les joints d'étanchéité sont réalisés sous forme d'un ensemble de construction (122).
- Appareil selon au moins l'une des revendications précédentes, caractérisé en ce que la touche de pression (23') est pourvue d'un canal d'air sous pression (14') qui relie la tubulure d'air sous pression (8') à l'extrémité du piston de commande (34') lors de l'application de la touche (23') sur l'appareil.
- Appareil selon l'une au moins des revendications précédentes, caractérisé en ce que le moteur (6) est pourvu d'un retardement de mise hors service (123).
- Appareil selon la revendication 32, caractérisé en ce qu'il est prévu un temps de retardement de la mise hors service d'environ 0,5 s.
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3921493 | 1989-06-30 | ||
DE8907977U DE8907977U1 (de) | 1989-06-30 | 1989-06-30 | Gerät zum Versprühen von Flüssigkeiten |
DE8907976U DE8907976U1 (de) | 1989-06-30 | 1989-06-30 | Gerät zum Versprühen von Flüssigkeiten |
DE8907977U | 1989-06-30 | ||
DE8907976U | 1989-06-30 | ||
DE3921493 | 1989-06-30 | ||
PCT/EP1990/001051 WO1991000149A1 (fr) | 1989-06-30 | 1990-06-30 | Vaporisateur de liquides |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0434808A1 EP0434808A1 (fr) | 1991-07-03 |
EP0434808B1 true EP0434808B1 (fr) | 1995-08-16 |
Family
ID=27199820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90910631A Expired - Lifetime EP0434808B1 (fr) | 1989-06-30 | 1990-06-30 | Vaporisateur de liquides |
Country Status (6)
Country | Link |
---|---|
US (1) | US5192009A (fr) |
EP (1) | EP0434808B1 (fr) |
AT (1) | ATE126456T1 (fr) |
DE (5) | DE8907977U1 (fr) |
ES (1) | ES2078347T3 (fr) |
WO (1) | WO1991000149A1 (fr) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4035858A1 (de) * | 1990-11-10 | 1992-05-14 | Wilhelm Reischmann | Handgeraet zum verspruehen von fluessigkeiten |
US5323935A (en) * | 1992-02-21 | 1994-06-28 | The Procter & Gamble Company | Consumer product package incorporating a spray device utilizing large diameter bubbles |
WO1994004437A1 (fr) * | 1992-08-24 | 1994-03-03 | Omnific International Ltd. | Bombe aerosol |
US5348198A (en) * | 1992-08-24 | 1994-09-20 | Omnific International Ltd. | Refillable aerosol container |
DE20104218U1 (de) | 2001-03-09 | 2001-10-04 | Konletzko, Albrecht, 96049 Bamberg | Druckluftentleerbarer Behälter mit einem Kombinationsschalter |
BRPI0412984B1 (pt) * | 2003-08-13 | 2015-11-24 | Unilever Nv | dispositivo doméstico de pulverização, método de pulverização de uma composição líquida e produto |
WO2005016548A1 (fr) * | 2003-08-13 | 2005-02-24 | Unilever Plc | Buse pour dispositif de pulverisation |
DE102004003266A1 (de) * | 2004-01-21 | 2005-08-25 | Seaquist Perfect Dispensing Gmbh | Vorrichtung und Sprühknopf zur Zerstäubung einer kosmetischen Flüssigkeit |
WO2009116858A1 (fr) * | 2008-03-19 | 2009-09-24 | Dispensing Technologies B.V. | Dispositif mécanique destiné à distribuer des doses de fluide et moyens de formation de mousse destinés à être utilisés avec celui-ci |
TWI499462B (zh) * | 2008-12-30 | 2015-09-11 | Graco Minnesota Inc | Hvlp(高體積低壓力)噴灑器的模組化壓縮機組套 |
IT1401505B1 (it) * | 2010-08-02 | 2013-07-26 | Marhvel S R L | Assieme e metodo per aerosolizzare un prodotto liquido contenuto in un contenitore, e relativo contenitore |
KR101363131B1 (ko) * | 2012-12-14 | 2014-02-14 | 황인철 | 다양한 디자인으로 제조가 가능하면서 휴대용이한 호신용 스프레이 |
CN103418516A (zh) * | 2013-05-29 | 2013-12-04 | 徐亦捷 | 一种气液预混合压力喷雾方法 |
CN105492122B (zh) * | 2013-09-09 | 2018-01-30 | 太阳星光齿磨公司 | 喷雾器 |
FR3030462B1 (fr) * | 2014-12-19 | 2018-02-02 | Aptar France Sas | Distributeur de produit fluide. |
DE202016100418U1 (de) * | 2016-01-28 | 2017-05-02 | Gerhard Seeberger | Ausgabevorrichtung zum Versprühen eines sprühfähigen Fluides |
CA3023519A1 (fr) * | 2016-05-09 | 2017-11-16 | The Sherwin-Williams Company | Pistolet pulverisateur a peinture |
DE102017119462A1 (de) | 2017-08-25 | 2019-02-28 | Gelupas Gmbh | Ausgabevorrichtung zum Versprühen eines sprühfähigen Fluides oder Pulvers |
US20190275187A1 (en) * | 2018-03-07 | 2019-09-12 | Dongguan Yih Teh Electric Products Co., Ltd. | Aerosol perfume dispenser |
US20190275188A1 (en) * | 2018-03-07 | 2019-09-12 | Dongguan Yih Teh Electric Products Co., Ltd. | Electrical plug-incorporated aerosol perfume dispenser |
US11213600B2 (en) | 2018-10-16 | 2022-01-04 | Dongguan Yih Teh Electric Products Co., Ltd. | Electrical plug type fragrance liquid heating and diffusing device |
US11975126B2 (en) | 2018-03-07 | 2024-05-07 | Dongguan Yih Teh Electric Products Co., Ltd. | Aroma diffuser using a cassette type aroma bottle |
US11246997B2 (en) * | 2018-09-25 | 2022-02-15 | Palo Alto Research Center Incorporated | Handheld filament extension atomizer for precision delivery of drugs and therapeutics |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4046289A (en) * | 1975-05-30 | 1977-09-06 | Kabushiki Kaisha Teranishi Denki Seisaku-Sho | Lathering device |
DE2728683A1 (de) * | 1977-06-25 | 1979-01-11 | Wella Ag | Vorrichtung zum verschaeumen oder verspruehen von fluessigkeiten |
EP0037035A1 (fr) * | 1980-03-31 | 1981-10-07 | Canyon Corporation | Pulvérisateur à pression d'air |
DE3711874A1 (de) * | 1987-04-08 | 1988-10-27 | Hannelore Weinem | Elektro - pneumatisch betriebenes spraydosensystem |
DE3722469A1 (de) * | 1987-07-08 | 1989-01-19 | Pfeiffer Erich Gmbh & Co Kg | Handbetaetigbare austragvorrichtung fuer medien |
DE3832852A1 (de) * | 1988-09-28 | 1990-03-29 | Oeco Tech Entwicklung & Vertri | Automatische spruehdose |
US4972977A (en) * | 1989-01-23 | 1990-11-27 | Battelle Memorial Institute | Spray bottle apparatus with pressure multiplying pistons |
-
1989
- 1989-06-30 DE DE8907977U patent/DE8907977U1/de not_active Expired - Lifetime
- 1989-06-30 DE DE8907976U patent/DE8907976U1/de not_active Expired - Lifetime
-
1990
- 1990-06-30 ES ES90910631T patent/ES2078347T3/es not_active Expired - Lifetime
- 1990-06-30 US US07/656,054 patent/US5192009A/en not_active Expired - Fee Related
- 1990-06-30 DE DE4020967A patent/DE4020967A1/de not_active Withdrawn
- 1990-06-30 EP EP90910631A patent/EP0434808B1/fr not_active Expired - Lifetime
- 1990-06-30 WO PCT/EP1990/001051 patent/WO1991000149A1/fr active IP Right Grant
- 1990-06-30 DE DE59009535T patent/DE59009535D1/de not_active Expired - Fee Related
- 1990-06-30 AT AT90910631T patent/ATE126456T1/de not_active IP Right Cessation
- 1990-07-02 DE DE9010007U patent/DE9010007U1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE59009535D1 (de) | 1995-09-21 |
WO1991000149A1 (fr) | 1991-01-10 |
US5192009A (en) | 1993-03-09 |
DE9010007U1 (de) | 1990-10-31 |
EP0434808A1 (fr) | 1991-07-03 |
DE8907977U1 (de) | 1990-10-31 |
DE4020967A1 (de) | 1991-01-03 |
DE8907976U1 (de) | 1990-10-31 |
ES2078347T3 (es) | 1995-12-16 |
ATE126456T1 (de) | 1995-09-15 |
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